C3123223313331322121111331333133313331333121211113313331322132312323233232311   >>    C312322331333132212111133133313331333133312121111331333132213231232323323231   <<    C3123223313331322121111331333133313331333121211113313331322132312323233232313   >>      C3123223313331322121111331333133313331333121211113313331322132312323233232312   >>